Min. Order Reference FOB Price
50 Pieces US$59.00-300.00 / Piece
Product Description
Product Specifications: JINSHI impregnated diamond drill bits are divided into K series and Y series according to different formula and materials. And the matrix heights have 9mm, 12mm, 15mm and 25mm. K series bits are the most widely used type, and have hardness numbers like K3 K5 K7 K9 K11. B ...